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US 12,759,926 B2Granted
Porous glass member
AssigneeNippon Electric Glass Co., Ltd.
InventorsTakashi Aitoku, Masato Tsujiguchi, Motoshi Iwanaga
Life of this patent
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Abstract
Provided is an alkali-resistant porous glass member suitable as a gas sensor element. A porous glass member contains, in terms of % by mass, over 0% ZrO2+TiO2+Al2O3+BeO+Cr2O3+Ga2O3+CeO2 and has a light transmittance of over 1% at any one of wavelengths from 200 to 2600 nm at a thickness of 0.5 mm.
Claims8
A porous glass member containing, in terms of % by mass, 50 to 98% SiO2, 2 to 30% ZrO2, 0 to 20% Al2O3, having a scaffold diameter of 1 to 45 nm, and having a light transmittance of over 1% at any one of wavelengths from 200 to 2600 nm at a thickness of 0.5 mm.
Dependencies are inferred from the claim text.